Home / 13,319,687.26-19,971,440.34-5,222,962.90

Finding the Fourth Proportional to 13,319,687.26, 19,971,440.34 and 5,222,962.90

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Solution

The fourth proportional to 13,319,687.26, 19,971,440.34 and 5,222,962.90 is: 7,831,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,687.26 : 19,971,440.34 = 5,222,962.90 : x
  2. Step 2: Convert to fraction form
    13,319,687.26/19,971,440.34 = 5,222,962.90/x
  3. Step 3: Cross multiply
    13,319,687.26x = 19,971,440.34 × 5,222,962.90
  4. Step 4: Simplify right side
    13,319,687.26x = 104,310,091,955,383.39
  5. Step 5: Solve for x
    x = 104,310,091,955,383.39/13,319,687.26
  6. Step 6: Final answer
    x = 7,831,271.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.